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A Practical Infrastructure for Real-Time Simulation across Timing Domains

机译：跨时序域进行实时仿真的实用基础架构

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摘要

A real-time infrastructure, called MLRTI, is proposed in this paper to fulfill the requirement of real-time simulation in distributed environment. There are two novel contributions in this work. Firstly, a flexible timing mechanism is proposed to integrate external time source and local timer utility, enabling the distributed nodes to advance their timeline simultaneously at different speeds with high precision. A data transmission solution is also presented in which the reflective memory card (VMIC) is employed to provide fast data transmission with minimum delay. Secondly, a system partition schema is proposed in MLRTI to reduce the solution errors introduced by transforming a continuous system into distribution system, which is common in a class of control applications where the system is designed in centralized model but simulated in distributed environment for constrains on system structure or the need to balance computation load. Experiments are conducted and the results show this schema effectively reduces the possible errors by properly partitioning the system into parts that are suitable to be deployed in distributed environment.
机译：为了满足分布式环境下实时仿真的要求，本文提出了一种称为MLRTI的实时基础架构。这项工作有两个新颖的贡献。首先，提出了一种灵活的计时机制，将外部时间源和本地计时器实用程序集成在一起，使分布式节点能够以不同的速度同时高精度地推进其时间轴。还提出了一种数据传输解决方案，其中采用反射式存储卡（VMIC）以最小的延迟提供快速的数据传输。其次，在MLRTI中提出了一种系统分区方案，以减少将连续系统转换为分布式系统时引入的解决方案错误，这在控制应用程序类中很常见，在该类控制应用程序中，系统是在集中模型中设计的，而在分布式环境中进行仿真以约束系统结构还是需要平衡计算负载。进行了实验，结果表明，该方案通过将系统正确划分为适合在分布式环境中部署的部分，有效地减少了可能的错误。

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  • 来源
    《Mathematical Problems in Engineering》 |2015年第5期|163845.1-163845.12|共12页
  • 作者

    Ma Yao-fei; Song Xiao; Wang Jiang-yun; Xiao Zhen;

  • 作者单位

    Beijing Univ Aeronaut & Astronaut, Sch Automat Sci & Elect Engn, Beijing 100191, Peoples R China.;

    Beijing Univ Aeronaut & Astronaut, Sch Automat Sci & Elect Engn, Beijing 100191, Peoples R China.;

    Beijing Univ Aeronaut & Astronaut, Sch Automat Sci & Elect Engn, Beijing 100191, Peoples R China.;

    China Aerosp Sci & Technol Corp, Beijing Inst Nearspace Vehicles Syst Engn, Beijing 100076, Peoples R China.;

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